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1、初中英语语法专题之----现在进行时1.现在进行时表示现在正在进行或发生的动作,也可表示当前一段时间内的活动或现阶正在进行的动作。2.现在进行时的肯定句基本结构为be+动词ing.be会随着与不同的人称搭配而产生不同的变化。如:Iamplayingfootball. YouarewatchingTV.Wearehavingaclass.Heisclimbingtrees.Sheisplayingwithhercat. Itisrunninginthepark.Theyaregoinghome.把它们的变化编成一首顺口溜就
2、好记多了!我用am,你用are,is用在他,她,它,我们,你们,他们全用are。3.现在进行时的否定句在be后加not。4.现在进行时的一般疑问句把be动词调到句首。5.现在进行时的特殊疑问的基本结构为:疑问词+be+主语+动词ing?如:Whatareyoudoing?但疑问词当主语时其结构为:疑问词+be+动词ing? 如:Whoissingingoverthere?6.动词加ing的变化规则(1)一般情况下,直接加ing,如:cook-cooking(2)以不发音的e结尾,去e加ing,如:make-making,taste-tasting(3)如
3、果末尾是一个元音字母和一个辅音字母结尾的重读闭音节,双写末尾的辅音字母,再加ing,如:run-running,stop-stoppingsit-sittingget-gettingrun-runningforget-forgettingbegin-beginning(4)以ie结尾的动词,改ie为y加ing,die--dying lie--lying 7.现在进行时标志性时间状语:now,look,listen,It’s…o’clock, 现在进行时专项练习按要求改写句子1. Theboyisplayingbasketball.否定句:_______
4、_____________________一般疑问句:_________________________肯定回答:__________________________10否定回答:__________________________对“isplayingbasketball”提问:__________________________对“ Theboy”提问:__________________________2. Theyaresingingintheclassroom.否定句:____________________________一般疑问句:____
5、_____________________肯定回答:__________________________否定回答:__________________________对“aresinging”提问:__________________________对“ intheclassroom”提问:__________________________3.仿照例句造句:Model:readabook --Whatareyoudoing? --I'mreadingabook.1)readanewbook(she)2)cleantheb
6、lackboard(they)4)she,thewindow,open,now.(用现在进行时连词成句.)5)Thebirdsaresinginginthetree.(就划线部分提问)6)is,who,thewindow,cleaning?(连词成句)7)Thechildrenareplayinggamesnearthehouse.(就划线部分提问)8)Sheisclosingthedoornow.(改成否定句)9)Youaredoingyourhomework.(用"I"作主语改写句子)10)they,thetree,sing,now,under.(用
7、现在进行时连词成句.)11)TheYoungPioneersarehelpingtheoldwoman.(改成一般疑问句)10单项选择( )1.我在照看孩子. (A)Iamlookingafterthebaby.(B)I'mlookafteringthebaby. (C)Ilookamafteringthebaby.(D)Ilookingafterthebaby.( )2._____friend'smaking______akite. (A)I,me (B)My,my(C)My,me (D)His,his( )3.I
8、sthewoman______yellowyourteacher? (A)in